linear equations and coordinate geometry

First posting: Sunday, 16 February 2003 7:46:18 PM

christy

The equation of the line which passes through the point (2,5) and is perpendicular to the line y=3x+1
RESPONSES

Andrew | (211.28.96.44) | Sunday, 4 May 2003 3:41:17 PM
Perpendicular to y = 3x + 1 means it has gradient -1/3 Passes through (2, 5) means that y - 5 = -1/3(x - 2) ...which means that the equation is 3y = 17 - x

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